+49 711 36591990



No room for deviations

Accuracy and exact measured values are the heart of our work. The measuring devices required for monitoring in accordance with DIN EN ISO 14644 for


as well as



cleanliness rooms

must absolutely provide correct measurement results. We check this through calibrations at predefined, recurring intervals – for your own and your customers’ safety.

Reliably calibrated

CAT Group offers expert calibration of your instruments, from handheld meters to built-in sensors. The calibration of the sensors is carried out either in our in-house laboratory or at your site – and always in tested quality according to DIN EN ISO 9001.

Your guarantee for permanently reliable measured values: Our measuring instruments are traceable to the National Standards of the German National Metrology Institute (Physikalisch-Technische Bundesanstalt, PTB). The calibration of our reference instruments is carried out by external DAkkS-accredited calibration laboratories.

Other competences


Any questions? Simply contact us without any obligation. We will be happy to assist you with our reliable expertise.

    CAT Clean Air Technology GmbH
    Motorstr. 51 | 70499 Stuttgart
    CAT e-tec GmbH
    Motorstr. 51 | 70499 Stuttgart
    CAT m-tec GmbH
    Motorstr. 51 | 70499 Stuttgart
  • Tel: +49 711 3659199 – 0
    Fax: +49 711 3659199 – 99

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